Tree path 5 levels Nimzo-Indian Defense › Rubinstein System › Nimzo-Indian Defense: St. Petersburg Variation › Nimzo-Indian Defense: St. Petersburg Variation › Fischer Variation
- Chess Codex
- Nimzo-Indian Defense E20
- Rubinstein System E40
- Nimzo-Indian Defense: St. Petersburg Variation E43
- Nimzo-Indian Defense: St. Petersburg Variation E44
- Fischer Variation E45 you are here
Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation
Overview
Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation is a specific line in the Indian Defenses family (ECO E45), arising from a recognised theoretical position.
The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.
It begins with 10 plies and takes 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 to reach the canonical position.
The line refines Nimzo-Indian Defense: St. Petersburg Variation, which traces back to the root opening Nimzo-Indian Defense.
Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.
- ECO code
- E45
- Group
- Indian Defenses (E)
- Plies
- 10
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
13,478 games · White 46.7% / Draw 8.5% / Black 44.8%
| Moves | Games | W / D / B |
|---|---|---|
| a3 | 11,370 | |
| Ng3 | 1,414 | |
| Qb3 | 194 | |
| b3 | 187 | |
| Qa4 | 164 | |
| Nf4 | 99 | |
| f3 | 15 | |
| Bd2 | 10 |
Source: Lichess Opening Explorer · cached 2026-09-26 02:23:11
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